205505950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 430097472

約数和(自身を除く): 224591522

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 71, 73, 122, 130, 142, 146, 305, 325, 355, 365, 610, 650, 710, 730, 793, 923, 949, 1525, 1586, 1775, 1825, 1846, 1898, 3050, 3550, 3650, 3965, 4331, 4453, 4615, 4745, 5183, 7930, 8662, 8906, 9230, 9490, 10366, 19825, 21655, 22265, 23075, 23725, 25915, 39650, 43310, 44530, 46150, 47450, 51830, 56303, 57889, 67379, 108275, 111325, 112606, 115778, 129575, 134758, 216550, 222650, 259150, 281515, 289445, 316163, 336895, 563030, 578890, 632326, 673790, 1407575, 1447225, 1580815, 1684475, 2815150, 2894450, 3161630, 3368950, 4110119, 7904075, 8220238, 15808150, 20550595, 41101190, 102752975, 205505950]

約数ペア:

[(1, 205505950), (2, 102752975), (5, 41101190), (10, 20550595), (13, 15808150), (25, 8220238), (26, 7904075), (50, 4110119), (61, 3368950), (65, 3161630), (71, 2894450), (73, 2815150), (122, 1684475), (130, 1580815), (142, 1447225), (146, 1407575), (305, 673790), (325, 632326), (355, 578890), (365, 563030), (610, 336895), (650, 316163), (710, 289445), (730, 281515), (793, 259150), (923, 222650), (949, 216550), (1525, 134758), (1586, 129575), (1775, 115778), (1825, 112606), (1846, 111325), (1898, 108275), (3050, 67379), (3550, 57889), (3650, 56303), (3965, 51830), (4331, 47450), (4453, 46150), (4615, 44530), (4745, 43310), (5183, 39650), (7930, 25915), (8662, 23725), (8906, 23075), (9230, 22265), (9490, 21655), (10366, 19825)]